"What is the name of the smallest particle of an element?"
Atom
"What is the chemical symbol for Oxygen?"
O
"This element is named after a planet."
Uranium
"This gas is essential for human breathing."
Oxygen
"What is a vertical column on the periodic table called?"
Group
"Which subatomic particle has a positive charge?"
Proton
"Which element has the symbol 'Na'?"
Sodium
"This element is used to make balloons float."
Helium
"This element is a liquid metal at room temperature."
Mercury
"What is a horizontal row on the periodic table called?"
Period
"What is the center of an atom called?"
Nucleus
"What is the chemical symbol for Gold?"
Au
"This element is named after Albert Einstein."
Einsteinium
"This element is known as the lightest metal."
Lithium
"How many periods are on the periodic table?"
Seven
"Which atomic model introduced the idea of electrons orbiting the nucleus?"
Bohr Model
"Which element has the symbol 'Fe'?"
Iron
"Who created the first periodic table?"
Dmitri Mendeleev
"This element is used in batteries."
Neodymium
"What do we call elements that have properties of both metals and non-metals?"
Metalloids
"What theory states that it is impossible to know both the position and momentum of an electron simultaneously?"
Heisenberg Uncertainty Principle
"What is the symbol for the element Mercury?"
Hg
"Who discovered the electron?"
J.J. Thomson
"This element’s name means ‘hidden’ and is used in lamps."
Krypton
"What are the elements in Group 18 called?"
Noble Gases